Toshiba GRL150-100 Series Instruction Manual page 132

• Enter 1 and press the ENTER key.
• After completing the entries, press the END key. The LCD will display the screen shown
below. If 1 is entered for all the output relays, the following forcible operation can be
performed collectively.
• Keep pressing the ENTER key to operate the output relays forcibly.
• Check that the output contacts operate at the terminal.
• Stop pressing the ENTER key to reset the operation
6.4.4 AC Input Circuits
This test can be performed by applying the checking currents to the AC input circuits and
verifying that the values applied coincide with the values displayed on the LCD screen.
The testing circuit is shown in Figure 6.4.4.1. A single-phase current source is required.
Single-phase
current
source
+
DC
power
−
supply
To check the metering data on the "Metering" screen, do the followings.
"Set. (view)" sub-menu → "Status" screen → "Metering" screen
If the setting is 0(= Primary), change the setting to 1(=Secondary) in the "Set. (change)"
sub-menu.
"Set. (change)" sub-menu → "Status" screen → "Metering" screen
Remember to reset it to the initial setting after the test is finished.
• Open the "Metering" screen in the "Status" sub-menu.
"Status" sub-menu → "Metering" screen
• Apply AC currents and check that the displayed values are within ± 5% of the input values.
O p e r a t e ?
E N T E R = Y C A N C E L = N
A
Figure 6.4.4.1 Testing AC Input Circuit
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TB1 -1
-2
-3
-4
-5
-6
-7
-8
TB2
-A9
-B9
E
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6 F 2 S 0 8 2 8
GRL150
I a
I b
I c
I
e